04-02-2016, 12:04 PM
I've used a pair of angle plates, one on each side of the gear blank, and gage blocks to find center. This of course assumes the cutter is properly ground.
To double check rotate the first cut (about 75% depth) to 90 degrees and then to 270 degrees. Place a dowel pin in the slot and check to see it it is same at both angular locations with a test indicator & a surface gauge. Split the difference and move the table the appropriate amount. Rinse & repeat.
To double check rotate the first cut (about 75% depth) to 90 degrees and then to 270 degrees. Place a dowel pin in the slot and check to see it it is same at both angular locations with a test indicator & a surface gauge. Split the difference and move the table the appropriate amount. Rinse & repeat.